Hatch and Grow a Capybara in Water - Add Water and it Grows Toy Fun Science Expanding Novelty Magic Absorbent Polymer Toy
These capybaras are one of those hatch and grow pets that slowly expand and grow after being submerged with water. Place the tree stump in water and it will slowly grows way bigger and the capybara comes out!
The tree stump is 3.5" x 2.25" x 2.5" out of the package. Full sized capybara is about 3.5" x 2" after about 72 hours.
Dry out and use it again. It shrinks with salty water though most shrink simply from air after being removed from water. This is a fun bath or pool toy! Ages 8+.
Expandable water toys or grow-in-water toys are made from a superabsorbent polymer. Superabsorbent polymers are long chains of molecules that soak up tremendous amounts of water because the water is drawn into and held by the molecules of the polymer. These polymers can absorb as much as 500 times their weight in plain water. They are toys that expand after putting them into water for several days.
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